Home / 90,876.30-136,314.45-62,882.70

Finding the Fourth Proportional to 90,876.30, 136,314.45 and 62,882.70

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Solution

The fourth proportional to 90,876.30, 136,314.45 and 62,882.70 is: 94,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876.30 : 136,314.45 = 62,882.70 : x
  2. Step 2: Convert to fraction form
    90,876.30/136,314.45 = 62,882.70/x
  3. Step 3: Cross multiply
    90,876.30x = 136,314.45 × 62,882.70
  4. Step 4: Simplify right side
    90,876.30x = 8,571,820,665.02
  5. Step 5: Solve for x
    x = 8,571,820,665.02/90,876.30
  6. Step 6: Final answer
    x = 94,324.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.